Know for a certainty that...
确实知道...
🧩 词语组成解析
know
[no]
v. 知道;了解;认识;确信;
n. 知情;
for
[fɚ]
prep. 为，为了;倾向于;关于;当作;
conj. 因为，由于;
🗣️ 情景例句
Oh, Pete, Pete!
噢 Pete Pete
Who is the greatest writer of our times?
谁是当代最伟大的作家？
The wheels scooped up stones which hammered ominously under the car.
车轮搅起的石块锤击车身，发出不祥的锤击声。